/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.el.mvel;

import org.mule.api.el.VariableAssignmentCallback;

import org.mule.mvel2.integration.VariableResolverFactory;
import org.mule.mvel2.integration.impl.SimpleSTValueResolver;

class MuleVariableResolver<T> extends SimpleSTValueResolver
{
    private static final long serialVersionUID = -4957789619105599831L;
    protected String name;
    protected VariableAssignmentCallback<T> assignmentCallback;

    public MuleVariableResolver(String name, T value, Class<?> type, VariableAssignmentCallback<T> callback)
    {
        super(value, type);
        this.name = name;
        this.assignmentCallback = callback;
    }

    @Override
    public String getName()
    {
        return name;
    }

    @SuppressWarnings("unchecked")
    public T getValue(VariableResolverFactory variableResolverFactory)
    {
        return (T) getValue();
    }

    @SuppressWarnings("unchecked")
    @Override
    public void setValue(Object value)
    {
        if (assignmentCallback != null)
        {
            assignmentCallback.assignValue(name, (T) getValue(), (T) value);
        }
        else
        {
            super.setValue(value);
        }
    }
}
